Portion of a vehicle rear light assembly



FIG. 1 is a perspective view of a portion of a right-side vehicle rear light assembly showing our new design;

FIG. 2 is an elevational view thereof;

FIG. 3 is a perspective view of a portion of a left-side vehicle rear light assembly showing our new design; and,

FIG. 4 is an elevational view thereof.

The broken line showing of the remainder of the vehicle is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a vehicle rear light assembly, as shown and described. 